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Recently, researchers have tried to apply ILP to KDD because ILP enlarges the applicability of Machine Learning to cover KDD and Data Mining: it enables them to learn from multiple relational tables. Many scienti c discovery systems are motivated from the desire to deal with larger databases. However the larger the databases are, the more computational… (More)

A set of physical feature values, called Laban feature set, is proposed in order to explain observers impression of bodily expression. The design concept of the Laban feature value set is based on Laban Movement Analysis, which is a famous theory in body movement psychology. In this paper, for practial application to Human-Agent Interaction(HAI), we… (More)

Abstruct: The “Ifbot” robot communicates with people by considering its own “emotions”. Ifbot has many facial expressions to communicate enjoyment. We first attempted to extract characteristics of Ifbot’s facial expressions by mapping these to its emotional space, which we discuss in this paper. We applied a five-layer perceptron to the extraction. We also… (More)

The "Ifbot" robot communicates with people by considering its own "emotions" and theirs. Ifbot has many facial expressions to communicate enjoyment. We first attempted to extract characteristics of Ifbot's facial expressions by mapping these to its emotional space, which we discuss in this paper. We applied a five-layer perceptron to the extraction. We also… (More)

A relational knowledge base model and an architecture which manipulates the model are presented. An item stored in the relational knowledge base is called a term. A unification operation on terms in the relational knowledge base is used as the retrieval mechanism. The relational knowledge base architecture we propose consists of a number of unification… (More)

In this paper, we propose a motion control method for bipedal humanoid locomotion. The motion control is based on the central pattern generator (CPG), and is optimized by simulated annealing. The motion control for robot locomotion is a multi-objective optimization problem. The aim of this research is to generate various gaits so as to meet the objectives;… (More)

In this paper, on a simulation model of fish schooling considering predator’s existence, we attempt an analysis of the form of school in which prey fish evades predator. We consider an evolutionary model of the fish behavior, and discuss the mechanism of schooling behavior when the school encounters with a predator. This paper then shows our computer… (More)